/* Copyright 2017-19, Emmanouil Antonios Platanios. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

#ifndef TENSORFLOW_JVM_CALLBACK_OP_H_
#define TENSORFLOW_JVM_CALLBACK_OP_H_

#include <jni.h>
#include <string>
#include <sstream>
#include <vector>

#include "tensorflow/c/c_api.h"
#include "tensorflow/c/kernels.h"

// A call to the registered JVM function.
struct JVMCall {
  JNIEnv* env;
  jclass registry;
  jmethodID call_method_id;

  TF_OpKernelContext* ctx;

  // True if and only if this op has been placed on a GPU.
  bool gpu;

  // Passed to the JVM to call the function registered with this ID.
  int id;

  // Inputs and outputs of this function invocation.
  std::vector<TF_Tensor*> inputs;
  std::vector<TF_Tensor*> outputs;
};

#endif  // TENSORFLOW_JVM_CALLBACK_OP_H_
